Well clen is not essential...diet and cardio are. Clen CAN help but it is not essential by any means. That being said you will want to run you clen like this (I'll assume you are running a 10 weeks cycle):

Start with one tab per day and add a tab per day to a maximum of 6 tabs (maybe 7...depends on whether or not you are getting the shakes too bad) on day 6 and stay at 6 tabs per day for the remainder of 2 weeks. Then switch to an ECA supp for two weeks. Then back to clen for 2 weeks...you can start at 6 tabs per day, no need to taper up again. Then ECA for 2 weeks. Then clen for 2 weeks. So...

I've been reading DHT is the culprit. Controlling that will help keep the sebum in check. I also noticed that 10 mins in a tanning bed makes my skin feel way less oily and in 1 sessions dried out any...